Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent
1984-05-15
1987-09-15
Shaw, Gareth D.
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
Loudspeaker operation
G10L 500
Patent
active
046944940
ABSTRACT:
The device basically comprises a Braille keyboard, a memory for storing text entered on the keyboard, a text editor and a speech synthesizer. Braille coded information entered by the user by means of the keyboard is stored in the memory. The stored text may be subsequently converted to sighted language coded information by a translator and played back through the speech synthesizer to enable the user to interactively edit the stored text by means of the text editor in response to the speech output. The edited text may be outputted in sighted language form to a printer or in Braille form to an embosser to obtain a hard copy, or alternatively can be supplied to a cassette unit for long-term storage. The device is compact and simple to use.
REFERENCES:
Aitchison and Brown, "A Talking Typewriter for the Visually Handicapped", Journal of Electrical and Electronics Engineering, Australia, IEAust. & IREEAust, vol. 1, No. 4, Dec. 1981, pp. 288-292.
Foster et al., "Audio Review of Text", IBM Technical Disclosure Bulletin, vol. 23, No. 1, Jun. 1980.
Head et al., "Audio Device for the Blind", IBM Technical Disclosure Bulletin, vol. 21, No. 9, 1979.
Golding and Heneghan, "Audio Response Terminal", IBM Technical Disclosure Bulletin, vol. 26, No. 10B, Mar. 1984
Lundberg, "Word-Processing Station w/Audio Text Readout", IBM Technical Disclosure Bulletin, vol. 26, No. 6, Nov. 1983.
Flanagan, J. L., Speech Analysis, Synthesis, and Perception, Springer-Verlag, New York, 1972, pp. 15-17.
Mills John G.
Pathway Communications Limited
Shaw Gareth D.
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